anahera: Enable search key
anahera: Enable search key

BUG=b:197850509
BRANCH=none
TEST=On Anahera, make sure search key works.

Signed-off-by: Devin Lu <052fe648504800b810f29702ef4f3db83fad68bf@quantatw.com>
Change-Id: I7787ab8a40bc06264918534556cb2898b2cb5b52
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/3180702
Reviewed-by: caveh jalali <08e24a66aefda7a55ca7d73f8903e0fb16eec763@chromium.org>
Reviewed-by: Boris Mittelberg <46897f4fb5cad4b1d5146ad1fd460d7f4825bbf7@google.com>
Commit-Queue: Boris Mittelberg <46897f4fb5cad4b1d5146ad1fd460d7f4825bbf7@google.com>

coreboot/chrome-ec,coreboot/chrome-ec,coreboot/chrome-ec,coreboot/chrome-ec,coreboot/chrome-ec,coreboot/chrome-ec